Monitoring Relays purchased inexpensively from Mercateo (Page 14/55)

Picture

Item

Manufacturer/Manufacturer no.

Price

Order

Dold Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 3587639 (1 offer)

IK9270 one-phase overcurrent relay. Use: overcurrent monitoring in DC and AC current networks Four measurement ranges that can be set via a rotary switch Adjustable response value, fixed hysteresis...

DOLD

IK 9270.11 AC 220-240V 0.1-15A Tv = 0.1-20S

£ 172.904*
per piece

Dold Current Monitoring Relay, DPDT, DIN Rail / 4459046 (1 offer)

IEC 255, EN 61 557, VDE 0413. Differential current monitor IL 5882. Detection ranges from 30 mA → 10 A with a connected ND 5019 differential current transformer Programmable for automatic or manual...

DOLD

IL5882.38 AC/DC24V-230V Tv=5S

£ 262.529*
per piece

Dold Current Monitoring Relay, SPST, DIN Rail / 4650687 (1 offer)

IEC/EN 60669. CE. IK 8702 - Remote switch. Low space requirements Reduced wiring requirements Quiet switching 10mA filament lamp load Overall width: 17.5 mm. Each current pulse operates the IK8702 ...

DOLD

IK8702.01 AC50/60Hz 230V

£ 47.006*
per piece

Dold Frequency Monitoring Relay, DPDT, 15 → 280V ac, DIN Rail / 1812790 (1 offer)

Detection of over- or under frequency of alternating voltage (adjustable function) Fast reaction time by measuring duration of cycle of input frequency Universal measuring input for AC-voltages of ...

DOLD

MK9837N.12 5-600Hz UH=AC230V

£ 217.781*
per piece

Dold Frequency Monitoring Relay, DPDT, 15 → 280V ac, DIN Rail / 1812791 (1 offer)

DOLD

MK9837N.12/050 5-600Hz UH=DC24V

£ 217.781*
per piece

Dold Frequency Monitoring Relay, SPDT, DIN Rail / 1812792 (1 offer)

Monitoring of local generator sets and voltage supplies For precise frequency measuring with fast response time High disturbance immunity Separately adjustable trip points and separate outputs for ...

DOLD

MK9143N.38 +/-5Hz UH=AC230V tv=0-20s tan=0-30s

£ 217.781*
per piece

Dold Frequency Monitoring Relay, SPDT, DIN Rail / 1812793 (1 offer)

DOLD

MK9143N.38 +/-5Hz UH=DC24V tv=0-20s tan=0-30s

£ 217.781*
per piece

Dold Frequency Monitoring Relay, SPDT, DIN Rail / 6566253 (1 offer)

IEC/EN 60255, DIN VDE 0435-303. CE. IK9143 - Frequency relay. Detection of under/over frequency in alternating voltage networks; switchable No auxiliary voltage Switchable frequency range for 50 or...

DOLD

IK9143.11 AC50/60Hz 230V Hyst.0.5-10%

£ 120.959*
per piece

Dold Frequency Monitoring Relay, SPDT, DIN Rail / 6566269 (1 offer)

IEC/EN 60255, DIN VDE 0435-303. CE. IL9837 - Frequency relay. For monitoring under/over frequency of alternating voltages; switchable functionality Adjustable hysteresis Large measurement voltage r...

DOLD

IL9837.11 5-200Hz UH=230V

£ 193.15*
per piece

Dold Insulation Monitoring Relay, 1, 3 Phase, DPDT, 0 → 500V ac, DIN Rail / 1812772 (1 offer)

For single and 3-phase AC-systems up to 0 .. 500 V and 10 .. 1000 Hz Monitors also disconnected voltage systems Adjustable tripping value RALof 5 .. 100 kΩ De-energized on trip Auxiliary voltage, m...

DOLD

MK5880N.12 AC50-400Hz 220-240V 5-100kOhm

£ 205.336*
per piece

Dold Insulation Monitoring Relay, 1, 3 Phase, SPDT, 0 → 500V ac, DIN Rail / 1812774 (1 offer)

Features • According to IEC/EN 61 557-8 • For single and 3-phase AC-systems up to 0 .. 500 V and 10 .. 1000 Hz • Monitors also disconnected voltage systems • Adjustable tripping value RALof 5 .. 10...

DOLD

MK5880N.38/200

£ 227.047*
per piece

Dold Insulation Monitoring Relay, 1, 3 Phase, SPDT, 0 → 500V ac, DIN Rail / 1812776 (1 offer)

DOLD

MK5880N.38/200 DC24V 5-100kOhm VW10k-5MOhm

£ 227.047*
per piece

Dold Insulation Monitoring Relay, 1, 3 Phase, SPDT, 0.8 → 1.1 V, DIN Rail / 2409033 (1 offer)

Insulation monitor for pure 3 phase and alternating current systems, AI897. Adjustable response value 10 → 80 kΩ No separate auxiliary voltage connection required 1 changeover Overall width 45 mm. ...

DOLD

AI897 AC45-400Hz230V 10-80kOhm

£ 232.759*
per piece

Dold Insulation Monitoring Relay, SPDT, 0.8 → 1.1 V, DIN Rail / 2409049 (1 offer)

Insulation monitor for direct current networks, AI898. Fixed response time 6 kΩ LED display for operational readiness and earth fault 1 changeover Overall width 45 mm. The AI898 insulation monitor ...

DOLD

AI898 DC24V 6kOhm UH=AC45-400Hz 230V

£ 358.78*
per piece

Dold Level Monitoring Relay, DIN Rail / 3277641 (1 offer)

IL9151 - level relay with two separately operating changeovers. The IL9151 is used for. Level monitoring and control of conductive liquids and powders, e.g. maximum and minimum fill level, protecti...

DOLD

IL9151.12 2-450kOHM AC230V 0.2-20S

£ 164.84*
per piece

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Monitoring Relays (822 items)